Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7353676 | Method and apparatus for precision rolling of rotationally symmetrical components | Gunther Hartmann, Mario Braun, Matthias Becker | 2008-04-08 |
| 7153075 | Press fit fastener and method of producing it | Frank Wagner | 2006-12-26 |
| 6971662 | Towing device for vehicles | Harald Frischkorn, Gunther Hartmann, Frank Wagner | 2005-12-06 |
| 6935822 | Detachable fastener including a screw element and a securing ring | Gunther Hartmann, Frank Wagner | 2005-08-30 |
| 6722832 | Assembly unit including a component and at least one thread forming screw | Gunther Hartmann, Frank Wagner | 2004-04-20 |
| 6685409 | Screw and captive work supporting element | Mario Braun | 2004-02-03 |
| 6626626 | Assembly unit including a component and at least one screw | Gunther Hartmann, Frank Wagner | 2003-09-30 |
| 6623226 | Assembly unit including a component and at least one screw | Mario Braun, Frank Wagner | 2003-09-23 |
| 6517301 | Fastener assembly including a screw element and a supporting element | Gunther Hartmann, Frank Wagner | 2003-02-11 |
| 6264414 | Fastener for connecting components including a shank having a threaded portion and elongated portion and a fitting portion | Gunther Hartmann | 2001-07-24 |
| 6234317 | Device for sorting raw, pre-treated or recycled bulk material | — | 2001-05-22 |
| 5906463 | Protective ring for resisting contact corrosion | Klaus-Werner Damm, Walter J. Mages | 1999-05-25 |
| 5462395 | Sound decoupling connecting element | Klaus-Werner Damm, Walter J. Mages | 1995-10-31 |
| 4615482 | Multi-way fluid flow control valve | Wojciech Marusiak | 1986-10-07 |